Physically these are identical to standard sockets except for the black coating. Under the skin they are specially hardened to resist the high torque forces and vibration from manual impact screwdrivers and powered impact wrenches.

KIRXST 3/4" Inch Impact Hex Bit Socket Set, 14mm - 24mm, 5 Piece 3/4" Drive Impact Allen Bit Socket Set with Storage Case
5.0

Aurlloct 8Pcs 3/4" Drive Impact Socket Set, 26-38 mm Axle Nut Socket, Hex Long Socket Set, Repair Automotive Truck Tractor Engine Maintenance
4.0